Not known Facts About Laser Crystal
Not known Facts About Laser Crystal
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These tables include only the most common host crystals; a lot of Other folks exist, which can be significantly less routinely utilized.
These ions help the crystal to amplify gentle at the laser wavelength by means of stimulated emission, when Vitality is supplied towards the crystal via absorption of pump gentle (�?optical pumping
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活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
A couple of laser crystal materials have already been demonstrated click here the place some saturable absorber content is incorporated for passive Q switching of the laser.
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
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Distinct crystalline materials are quite different regarding their hardness and other Qualities, which ascertain with which techniques And the way quickly they may be Reduce and polished with good quality.
The medium should have a high transparency (small absorption and scattering) from the wavelength areas of pump and laser radiation, and good optical homogeneity. To some extent, this depends on the caliber of the material, based on particulars of your fabrication method.
With That idea, one does not need an extra saturable absorber crystal, to make sure that one particular may possibly make far more compact Q-switched laser setups with decrease inner parasitic losses. Nonetheless, unwanted Negative effects might also happen, which include acquiring unwanted valence states with the concerned ions or energy transfers.
激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。